Specification: Features:_x000D__x000D_Battery capacity and voltage meter. _x000D_LCD screen with green backlit. _x000D_Long service life button with comfortable hand feeling. _x000D_Equipped with a PVC film, the surface is waterproof. _x000D_Built with buckle, free of screw installation. _x000D_Universal battery capacity meter, need to set up by yourself. _x000D__x000D_Specifications:_x000D_Material: HTN / PCB_x000D_Weight: 18g_x000D_Size: Approx. 6 * 3.2 * 1.5cm / 2.4 * 1.3 * 0.6in_x000D_Voltage: 6-70 (V)_x000D_Applicable scope: Battery pack, UPS, EPS, power supply, emergency power supply _x000D_Storage temperature: -20 ~ 60 _x000D_Working current: 5mA_x000D__x000D_Functions:_x000D_1. Manually switch battery percentage / voltage / power off_x000D_2. Automatic recycling display battery capacity / voltage per 2 seconds (Settable)_x000D_3. 10s delay auto off (Settable)_x000D_4. Double discharge curve selection (Settable)_x000D__x000D_Package List:_x000D_1 x Battery Capacity Voltage Meter_x000D_1 x Connecting Cable Features: 1Battery capacity and voltage meter. 2LCD screen with green backlit. 3Long service life button with comfortable hand feeling. 4Equipped with a PVC film, the surface is waterproof. 5Built with buckle, free of screw installation. Universal battery capacity meter, need to set up by yourself. PackageList: 1 x Battery Capacity Voltage Meter 1 x Connecting Cable